Home / 8,001.08-12,001.62-4,305.04

Finding the Fourth Proportional to 8,001.08, 12,001.62 and 4,305.04

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Solution

The fourth proportional to 8,001.08, 12,001.62 and 4,305.04 is: 6,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.08 : 12,001.62 = 4,305.04 : x
  2. Step 2: Convert to fraction form
    8,001.08/12,001.62 = 4,305.04/x
  3. Step 3: Cross multiply
    8,001.08x = 12,001.62 × 4,305.04
  4. Step 4: Simplify right side
    8,001.08x = 51,667,454.16
  5. Step 5: Solve for x
    x = 51,667,454.16/8,001.08
  6. Step 6: Final answer
    x = 6,457.56

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.